Table 3 BCR values of the proposed DWT-DCT technique under other image-processing attacks
From: Blind image watermarking technique based on differential embedding in DWT and DCT domains
Attack | Image | ||||
|---|---|---|---|---|---|
Baboon | Bridge | Jetplane | Peppers | Pirate | |
Bit-plane | 100 | 99.7 | 99.2 | 100 | 100 |
removal (5 bits) | |||||
Bit-plane | 98.0 | 92.4 | 96.7 | 98.4 | 96.5 |
removal (6 bits) | |||||
Gamma | 100 | 100 | 100 | 100 | 100 |
correction (0.5) | |||||
Gamma | 100 | 100 | 100 | 100 | 100 |
correction (1.5) | |||||
Histogram | 100 | 100 | 99.5 | 100 | 100 |
equalization | |||||
Laplacian | 100 | 100 | 100 | 100 | 100 |
sharpening | |||||